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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Engine Mechanical >> Engine Lubrication System >> Oil Pan >> Installation >> Oil Pan Upper
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Oil Pan Upper

  1. Install a new O-ring to the cylinder block.
    G13199150Courtesy of SUBARU OF AMERICA, INC.
  2. Apply liquid gasket to the mating surface of the oil pan upper as shown in the figure, and install the oil pan upper to the cylinder block.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surface of the oil pan upper and the cylinder block.
    • Install within 5 min. after applying liquid gasket.
    • Application of liquid gasket on the chamfer surface around the bolt hole is allowed.

    Liquid gasket: 

    THREE BOND 1217G (part No. K0877Y0100), THREE BOND 1217H or equivalent

    Liquid gasket applying diameter: 

    4.5 ±1 mm (0.1772±0.0394 in)

    G13862985Courtesy of SUBARU OF AMERICA, INC.
  3. Tighten the bolts in the numerical order as shown in the figure.
    NOTE: After tightening, if the liquid gasket is squeezed out onto the seal surface of the chain cover, completely remove any squeezed-out liquid gasket.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

    Fig 1: Oil Pan Upper Bolts Tightening Sequence
    G13199157Courtesy of SUBARU OF AMERICA, INC.
  4. Install the oil pan and oil strainer. Ref. to LUBRICATION (H4DOTC)>Oil Pan>INSTALLATION>OIL PAN .
  5. Install the water pipe LH. Ref. to COOLING (H4DOTC)>Water Pipe>INSTALLATION>WATER PIPE LH .
  6. Install the water pipe RH. Ref. to COOLING (H4DOTC)>Water Pipe>WATER PIPE RHWATER PIPE RH .
  7. Install the engine. Ref. to MECHANICAL (H4DOTC)>Engine Assembly>INSTALLATION .
  8. Fill engine oil. Ref. to LUBRICATION (H4DOTC)>Engine Oil>REPLACEMENT .
  9. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  10. Fill engine coolant. Ref. to COOLING (H4DOTC)>Engine Coolant>REPLACEMENT>FILLING OF ENGINE COOLANT .